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When would you choose top down methodology?


Answer #1
Top down methodology is one where overall picture of the
system is defined first. Then we go into the details of the
sub-systems in the next level and so on. So to brief this,
first the complex system is seen as a whole and then this
is broken down to smaller simpler pieces.

Top down approach is preferred when understanding of the
complete system is done. Sufficient knowledge of the system
is required.

Answer #2
Top down approach is used in procedural programming.... OOP uses bottom up approach..

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